Harbor Bakery PPF: Loaves and Cakes

Harbor Bakery PPF — Loaves and Cakes

Harbor Bakery has one production team, a shared oven and a fixed workday. If the team devotes all of its time to bread, it can make 800 loaves. If it devotes all of its time to cakes, it can make 400 cakes. The frontier shows the feasible combinations between those limits. The current plan lies on the curve, so it uses the available capacity efficiently. The point below the curve illustrates an idle oven or unfilled shift, while the point above the curve would require more capacity than the bakery has. This example helps learners distinguish a production choice from the limits that constrain it.

類型 經濟學圖表引擎 econ-ppf更新時間 2026/9/24

需求

“Create a PPF for Harbor Bakery with a maximum of 800 loaves or 400 cakes per day. Mark the current plan at 500 loaves and 180 cakes, unused capacity at 300 loaves and 100 cakes, and an unattainable plan at 700 loaves and 300 cakes.”

接著試試Move the current plan to 600 loaves and 130 cakes.Remove the unattainable plan.

這張圖裡有什麼

看懂背後的決策。

01Set realistic maxima

Use the bakery's staffing and oven capacity.

02Label the current plan

Separate the operating choice from the frontier.

03Show unused capacity

Make the efficiency discussion concrete.

Use this PPF when two outputs compete for the same limited staff and equipment.

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常見問題

Why are the axes loaves and cakes?

They are two outputs competing for the bakery's same labour and oven time.

What does the current plan show?

It shows one efficient combination on the production frontier.

Why is one point unattainable?

It requires more output than the fixed staff and equipment can produce together.